Footwear sole



FIG. 1 is a perspective view of a footwear sole in accordance with our ornamental design;

FIG. 2 is a right side view of the footwear sole in accordance with FIG. 1;

FIG. 3 is a left side view of the footwear sole in accordance with FIG. 1;

FIG. 4 is a front elevational view of the footwear sole in accordance with FIG. 1;

FIG. 5 is a back elevational view of the footwear sole in accordance with FIG. 1;

FIG. 6 is a top plan view of the footwear sole in accordance with FIG. 1; and,

FIG. 7 is a bottom plan view of the footwear sole in accordance with FIG. 1.

Broken lines are environmental only and form no part of the claimed design. Broken lines adjacent shaded areas of the design represent the bounds of the claimed design and are not themselves a part of the claimed design. Stippling marks represent a concavity of an area of the design. 

CLAIM The ornamental design for a footwear sole, as shown and described. 